21 years of internship, 22 years of graduation, 23 years can take the large equipment license?

No. Large medical equipment on board the conditions for obtaining a certificate of competence is engaged in the application of professional work for more than two years, and 21 years of internship, 22 years of graduation, 23 years of work time is only one year, has not reached two years, the conditions have not been met, can not be examined. Large equipment induction certificate refers to the ability to operate large machinery and equipment required to hold a professional qualification certificate, mainly including tower cranes, cranes, excavators, bulldozers and other types of large machinery and equipment.